Doll highchair



FIG. 1 is a perspective view of the doll highchair design of the present invention;

FIG. 2 is a side elevation view of the design of FIG. 1, the side opposite being a mirror image;

FIG. 3 is a front elevation view of the design of FIG. 1;

FIG. 4 is a plan view of the design of FIG. 1;

FIG. 5 is a rear elevation view of the design of FIG. 1; and,

FIG. 6 is a bottom plan view of the design of FIG. 1. 

The ornamental design for a doll highchair, as shown and described. 